static hFILE *hopen_mem(const char *url, const char *mode)
{
size_t length, size;
char *buffer;
const char *data, *comma = strchr(url, ',');
if (comma == NULL) { errno = EINVAL; return NULL; }
data = comma+1;
// TODO Implement write modes
if (strchr(mode, 'r') == NULL) { errno = EROFS; return NULL; }
if (comma - url >= 7 && cmp_prefix(";base64", &comma[-7]) == 0) {
size = hts_base64_decoded_length(strlen(data));
buffer = malloc(size);
if (buffer == NULL) return NULL;
hts_decode_base64(buffer, &length, data);
}
else {
size = strlen(data) + 1;
buffer = malloc(size);
if (buffer == NULL) return NULL;
hts_decode_percent(buffer, &length, data);
}
hFILE* hf;
if(!(hf = create_hfile_mem(buffer, mode, length, size))){
free(buffer);
return NULL;
}
return hf;
}
static hFILE *hopen_mem(const char *url, const char *mode)
{
size_t length, size;
char *buffer;
const char *data, *comma = strchr(url, ',');
if (comma == NULL) { errno = EINVAL; return NULL; }
data = comma+1;
// TODO Implement write modes
if (strchr(mode, 'r') == NULL) { errno = EROFS; return NULL; }
if (comma - url >= 7 && cmp_prefix(";base64", &comma[-7]) == 0) {
size = hts_base64_decoded_length(strlen(data));
buffer = malloc(size);
if (buffer == NULL) return NULL;
hts_decode_base64(buffer, &length, data);
}
else {
size = strlen(data) + 1;
buffer = malloc(size);
if (buffer == NULL) return NULL;
hts_decode_percent(buffer, &length, data);
}
hFILE_mem *fp = (hFILE_mem *)
hfile_init_fixed(sizeof (hFILE_mem), mode, buffer, length, size);
if (fp == NULL) { free(buffer); return NULL; }
fp->base.backend = &mem_backend;
return &fp->base;
}
bool
win_safe_filename(const char *fn)
{
if (cmp_prefix(fn, false, "con"))
{
return false;
}
if (cmp_prefix(fn, false, "prn"))
{
return false;
}
if (cmp_prefix(fn, false, "aux"))
{
return false;
}
if (cmp_prefix(fn, false, "nul"))
{
return false;
}
if (cmp_prefix(fn, true, "com"))
{
return false;
}
if (cmp_prefix(fn, true, "lpt"))
{
return false;
}
if (cmp_prefix(fn, false, "clock$"))
{
return false;
}
return true;
}
int best_param(const char *str, const size_t str_len, const param_t *tbl,
bool *unique)
{
if (str == NULL || str_len == 0 || tbl == NULL) {
DBG_NULL;
return KNOT_EINVAL;
}
int best_pos = -1;
int best_match = INT_MAX;
size_t matches = 0;
for (int i = 0; tbl[i].name != NULL; i++) {
int ret = cmp_prefix(str, str_len, tbl[i].name);
switch (ret) {
case -1:
continue;
case 0:
best_pos = i;
best_match = 0;
matches = 1;
break;
default:
if (ret < best_match) {
best_pos = i;
best_match = ret;
}
matches++;
}
}
switch (matches) {
case 0:
return KNOT_ENOTSUP;
case 1:
*unique = true;
return best_pos;
default:
*unique = false;
return best_pos;
}
}
inline int cmp_prefix(const ByteBuffer &other) const {
return cmp_prefix(other.raw(), other.length());
}
